Re: [PATCH v3 3/4] dt-bindings: display/msm: Document MDSS on QCS8300

[Dmitry Baryshkov]

On Tue, 14 Jan 2025 at 09:57, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On Mon, Jan 13, 2025 at 04:03:10PM +0800, Yongxing Mou wrote:
> > +patternProperties:
> > +  "^display-controller@[0-9a-f]+$":
> > +    type: object
> > +    additionalProperties: true
> > +
> > +    properties:
> > +      compatible:
> > +        items:
> > +          - const: qcom,qcs8300-dpu
> > +          - const: qcom,sa8775p-dpu
> > +
> > +  "^displayport-controller@[0-9a-f]+$":
> > +    type: object
> > +    additionalProperties: true
> > +
> > +    properties:
> > +      compatible:
> > +        items:
> > +          - const: qcom,qcs8300-dp
> > +          - const: qcom,sm8650-dp
>
> Parts of qcs8300 display are compatible with sa8775p, other parts with
> sm8650. That's odd or even not correct. Assuming it is actually correct,
> it deserves explanation in commit msg.

It seems to be correct. These are two different IP blocks with
different modifications. QCS8300's DP configuration matches the SM8650
([1]), though the DPU is the same as the one on the SA8775P platform.

[1] https://lore.kernel.org/dri-devel/411626da-7563-48fb-ac7c-94f06e73e4b8@xxxxxxxxxxx/


-- 
With best wishes
Dmitry